The upcoming episode of "Game of Thrones" Season 6 titled "Blood of My Blood" will see the return of an old enemy according to the promo.

Although there has been no specification of the old enemy who is set to return, viewers have already started speculating about a couple of old foes who can be back. The list consists of not only Walder Frey, but also the Lord of the Crossing and Riverrun.

Meanwhile, Gilly is all set to meet with Sam's family and the show focuses on Arya, who is in a difficult situation. Additionally, fans might also see the final showdown between High Sparrow and Jamie.

Notably, this season of "Game of Thrones" can be filled with battles as the producer Bryan Cogman has hinted the same at the beginning of the season, by saying, "It's definitely the biggest [action sequence yet]. We've always wanted to get to a place-story-wise and budget-wise and time-wise and resource-wise-where we would be able to do a proper battle, with one army on one side, one army on another side."

In addition to Davos and Sansa participating in the battle, the trailer also showed combatants scrambling over morbid piles to take part in the battle.

As previous war scenes of the major series had set an undeniably great standard for television productions. Additionally, the upcoming scenes by George R. R. Martin have also been shrouded in mystery and fans have been left to speculate what might happen when, according to Bustle.

Thus, the sixth episode of "Game of Thrones" written by Bryan Cogman and directed by Jack Bender is all set to take the fans in another historical ride. "Game of Thrones" Season 6, Episode 6 is scheduled to be on air on May 29, 9 p.m. ET on HBO.